Fear Gauge Warns That This Selloff Is Different

U.S. stock markets have gyrated this week with seemingly positive news on trade followed by President Trump tweeting he is still a "Tariff Man." U.S.-China tensions, plus worries about economic growth and the tech sector, spell more volatility ahead for investors. Photo Composite: Crystal Tai

The Cboe Volatility Index, known as VIX, fell to 22.64, snapping a three-session streak of gains. The measure earlier climbed as high as 25.94, putting it on track to surpass a closing high reached in October.